<template>

  <div>
    <h1>App</h1> {{ username }}
    <BsInput v-model="username"></BsInput>
  </div>

</template>

<script setup>  
import { ref } from 'vue';
import BsInput from './components/BsInput.vue';

const username = ref('jack');
</script>


<style>
div {
  border: solid;
  padding: 20px
}
</style>